Ultimately, searching for an activator for Windows 7 Ultimate in the current era is a technically futile exercise. Even successfully activated, Windows 7 cannot run modern browsers like Chrome or Firefox beyond their final extended releases. It cannot support modern drivers for NVMe SSDs, USB 3.1, or Wi-Fi 6 adapters. The activator solves a licensing problem but does nothing to solve the fundamental issue of hardware and software incompatibility.
Wait for the "Product activated successfully" message and restart your PC. Security & Safety Risks